refactor build

extensions/github-authentication/build/postinstall.js

@@ -0,0 +1,26 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+const fs = require('fs');
+const path = require('path');
+
+const schemes = ['OSS', 'INSIDERS'];
+
+function main() {
+	let content = {};
+
+	for (const scheme of schemes) {
+		const id = process.env[`${scheme}_GITHUB_ID`];
+		const secret = process.env[`${scheme}_GITHUB_SECRET`];
+
+		if (id && secret) {
+			content[scheme] = { id, secret };
+		}
+	}
+
+	fs.writeFileSync(path.join(__dirname, '../src/common/config.json'), JSON.stringify(content));
+}
+
+main();